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package compat
import (
"fmt"
"io/ioutil"
"net/http"
"os"
goRuntime "runtime"
"strings"
"time"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/config"
"github.com/containers/libpod/libpod/define"
"github.com/containers/libpod/pkg/api/handlers"
"github.com/containers/libpod/pkg/api/handlers/utils"
"github.com/containers/libpod/pkg/rootless"
"github.com/containers/libpod/pkg/sysinfo"
docker "github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"github.com/google/uuid"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
)
func GetInfo(w http.ResponseWriter, r *http.Request) {
// 200 ok
// 500 internal
runtime := r.Context().Value("runtime").(*libpod.Runtime)
infoData, err := runtime.Info()
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "Failed to obtain system memory info"))
return
}
hostInfo := infoData[0].Data
storeInfo := infoData[1].Data
configInfo, err := runtime.GetConfig()
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "Failed to obtain runtime config"))
return
}
versionInfo, err := define.GetVersion()
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "Failed to obtain podman versions"))
return
}
stateInfo := getContainersState(runtime)
sysInfo := sysinfo.New(true)
// FIXME: Need to expose if runtime supports Checkpoint'ing
// liveRestoreEnabled := criu.CheckForCriu() && configInfo.RuntimeSupportsCheckpoint()
info := &handlers.Info{Info: docker.Info{
Architecture: goRuntime.GOARCH,
BridgeNfIP6tables: !sysInfo.BridgeNFCallIP6TablesDisabled,
BridgeNfIptables: !sysInfo.BridgeNFCallIPTablesDisabled,
CPUCfsPeriod: sysInfo.CPUCfsPeriod,
CPUCfsQuota: sysInfo.CPUCfsQuota,
CPUSet: sysInfo.Cpuset,
CPUShares: sysInfo.CPUShares,
CgroupDriver: configInfo.CgroupManager,
ClusterAdvertise: "",
ClusterStore: "",
ContainerdCommit: docker.Commit{},
Containers: storeInfo["ContainerStore"].(map[string]interface{})["number"].(int),
ContainersPaused: stateInfo[define.ContainerStatePaused],
ContainersRunning: stateInfo[define.ContainerStateRunning],
ContainersStopped: stateInfo[define.ContainerStateStopped] + stateInfo[define.ContainerStateExited],
Debug: log.IsLevelEnabled(log.DebugLevel),
DefaultRuntime: configInfo.OCIRuntime,
DockerRootDir: storeInfo["GraphRoot"].(string),
Driver: storeInfo["GraphDriverName"].(string),
DriverStatus: getGraphStatus(storeInfo),
ExperimentalBuild: true,
GenericResources: nil,
HTTPProxy: getEnv("http_proxy"),
HTTPSProxy: getEnv("https_proxy"),
ID: uuid.New().String(),
IPv4Forwarding: !sysInfo.IPv4ForwardingDisabled,
Images: storeInfo["ImageStore"].(map[string]interface{})["number"].(int),
IndexServerAddress: "",
InitBinary: "",
InitCommit: docker.Commit{},
Isolation: "",
KernelMemory: sysInfo.KernelMemory,
KernelMemoryTCP: false,
KernelVersion: hostInfo["kernel"].(string),
Labels: nil,
LiveRestoreEnabled: false,
LoggingDriver: "",
MemTotal: hostInfo["MemTotal"].(int64),
MemoryLimit: sysInfo.MemoryLimit,
NCPU: goRuntime.NumCPU(),
NEventsListener: 0,
NFd: getFdCount(),
NGoroutines: goRuntime.NumGoroutine(),
Name: hostInfo["hostname"].(string),
NoProxy: getEnv("no_proxy"),
OSType: goRuntime.GOOS,
OSVersion: hostInfo["Distribution"].(map[string]interface{})["version"].(string),
OomKillDisable: sysInfo.OomKillDisable,
OperatingSystem: hostInfo["Distribution"].(map[string]interface{})["distribution"].(string),
PidsLimit: sysInfo.PidsLimit,
Plugins: docker.PluginsInfo{},
ProductLicense: "Apache-2.0",
RegistryConfig: nil,
RuncCommit: docker.Commit{},
Runtimes: getRuntimes(configInfo),
SecurityOptions: getSecOpts(sysInfo),
ServerVersion: versionInfo.Version,
SwapLimit: sysInfo.SwapLimit,
Swarm: swarm.Info{
LocalNodeState: swarm.LocalNodeStateInactive,
},
SystemStatus: nil,
SystemTime: time.Now().Format(time.RFC3339Nano),
Warnings: []string{},
},
BuildahVersion: hostInfo["BuildahVersion"].(string),
CPURealtimePeriod: sysInfo.CPURealtimePeriod,
CPURealtimeRuntime: sysInfo.CPURealtimeRuntime,
CgroupVersion: hostInfo["CgroupVersion"].(string),
Rootless: rootless.IsRootless(),
SwapFree: hostInfo["SwapFree"].(int64),
SwapTotal: hostInfo["SwapTotal"].(int64),
Uptime: hostInfo["uptime"].(string),
}
utils.WriteResponse(w, http.StatusOK, info)
}
func getGraphStatus(storeInfo map[string]interface{}) [][2]string {
var graphStatus [][2]string
for k, v := range storeInfo["GraphStatus"].(map[string]string) {
graphStatus = append(graphStatus, [2]string{k, v})
}
return graphStatus
}
func getSecOpts(sysInfo *sysinfo.SysInfo) []string {
var secOpts []string
if sysInfo.AppArmor {
secOpts = append(secOpts, "name=apparmor")
}
if sysInfo.Seccomp {
// FIXME: get profile name...
secOpts = append(secOpts, fmt.Sprintf("name=seccomp,profile=%s", "default"))
}
return secOpts
}
func getRuntimes(configInfo *config.Config) map[string]docker.Runtime {
var runtimes = map[string]docker.Runtime{}
for name, paths := range configInfo.OCIRuntimes {
runtimes[name] = docker.Runtime{
Path: paths[0],
Args: nil,
}
}
return runtimes
}
func getFdCount() (count int) {
count = -1
if entries, err := ioutil.ReadDir("/proc/self/fd"); err == nil {
count = len(entries)
}
return
}
// Just ignoring Container errors here...
func getContainersState(r *libpod.Runtime) map[define.ContainerStatus]int {
var states = map[define.ContainerStatus]int{}
ctnrs, err := r.GetAllContainers()
if err == nil {
for _, ctnr := range ctnrs {
state, err := ctnr.State()
if err != nil {
continue
}
states[state] += 1
}
}
return states
}
func getEnv(value string) string {
if v, exists := os.LookupEnv(strings.ToUpper(value)); exists {
return v
}
if v, exists := os.LookupEnv(strings.ToLower(value)); exists {
return v
}
return ""
}
|
